If they installed it at port, they did the full install at port including the cut and clamp. There was no insidious plot to mis-install your berk.

I had the tech in Peabody call the tech in Brighton who said that he had cut and clamped the exhaust. Idk if that entails additionally cut/clamped or initially cut/clamped...regardless he did some work that was not just a simplistic install...